right on time is a nifty tool for annotating videos you find on YouTube to share with your students.
before you get involved with right on time It is important to note that you will have to create an account to save and share your work. You can create an account with your Google account, with your Facebook account, or by registering with any email address. You can share your annotated version of the video via email and social media.
One of the things I love about Timelinely is the option to include images in your annotations. I can see this feature being used to include an alternate example for students to view when watching a math lesson.
I’m not sure Timelinely is better than a bunch of similar services, but it’s nice to have options